77778818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 133996800

約数和(自身を除く): 56217982

約数列:

[1, 2, 13, 19, 26, 38, 79, 158, 247, 494, 1027, 1501, 1993, 2054, 3002, 3986, 19513, 25909, 37867, 39026, 51818, 75734, 157447, 314894, 492271, 984542, 2046811, 2991493, 4093622, 5982986, 38889409, 77778818]

約数ペア:

[(1, 77778818), (2, 38889409), (13, 5982986), (19, 4093622), (26, 2991493), (38, 2046811), (79, 984542), (158, 492271), (247, 314894), (494, 157447), (1027, 75734), (1501, 51818), (1993, 39026), (2054, 37867), (3002, 25909), (3986, 19513)]